SAE, Mil-Spec, Large Outside Diameter, Standard, Oversized
Alloy Steel, Titanium, Stainless Steel, PEEK, Phenolic Resin
45 mm, 50 mm, 23 mm, 5 1/2", 28 mm
20.2 mm, 1.875", 1.172", 3.125", 0.406"
3.5 mm, 0.7 mm, 1.5 mm, 1 mm, 0.28 mm
ASME B18.21.1, DIN 7603A, DIN 125A, DIN 7980, BS 4320B